#
# Copyright Michael Orlitzky
#
# http://michael.orlitzky.com/
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# http://www.fsf.org/licensing/licenses/gpl.html
#

require 'src/website'

# Needed to download the page, which is in turn
# needed because it contains the video URL.
require 'net/http'
require 'uri'


class Youporn < Website

  VALID_YOUPORN_URL_REGEX = /^(http:\/\/)?(www\.)?youporn\.com\/watch\/(\d+)$/
  
  def self.owns_url?(url)
    return url =~ VALID_YOUPORN_URL_REGEX
  end

  
  def get_video_url(url)
    page_data = self.get_page_data(url)
    video_url = self.parse_video_url(page_data)
    return video_url
  end

  
  protected;

  # Get the FLV file URL from the HTML page for this movie.
  # They don't obfuscate it or anything, so we assume here
  # that the first "download" url ending in ".flv" is the
  # movie file we want.
  def parse_video_url(page_data)    
    flv_regex = /http:\/\/download\.youporn\.com\/.*?\.flv/
    matches = flv_regex.match(page_data)
    flv_url = matches[0] if not matches.nil?
    
    return flv_url
  end

  
  def get_page_data(url)
    uri = URI.parse(url)
    
    response = Net::HTTP.start(uri.host, uri.port) do |http|
      # Bypass the stupid age verification.
      form_data = 'user_choice=Enter'
      http.post(uri.path, form_data, self.get_headers(url))
    end
    
    return response.body
  end

  # Build the header hash from the URL we're requesting.
  def get_headers(url)
    headers = { 'Referer' => url }
  end

  
end